CN103258023A - Recommendation method and search engine for search candidate words - Google Patents
Recommendation method and search engine for search candidate words Download PDFInfo
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- CN103258023A CN103258023A CN2013101650483A CN201310165048A CN103258023A CN 103258023 A CN103258023 A CN 103258023A CN 2013101650483 A CN2013101650483 A CN 2013101650483A CN 201310165048 A CN201310165048 A CN 201310165048A CN 103258023 A CN103258023 A CN 103258023A
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Abstract
The invention provides a recommendation method and search engine for search candidate words. The recommendation method comprising steps that a search engine server receives input information input by a user and obtains prefix information of the input information; the prefix information serves as an index to obtain a plurality of search candidate words and weight of each search candidate word; whether at least two search candidate words of the search candidate words belong to the same subject is judged; if at least two search candidate words belong to the same subject, the weight of one of the at least two search candidate words is kept unchanged, downgrading processing is conducted on the weight of others of the at least two search candidate words; sequencing is conducted according to the weight of the search candidate words, and the sequenced search candidate words are provided for the user. According to the recommendation method, diversity and accuracy of the search candidate words are improved, search requirements of the user can be met, an algorithm is simple and easy to implement, and user experience is improved.
Description
Technical field
The present invention relates to field of computer technology, particularly a kind of recommend method and search engine of searching for candidate word.
Background technology
Search engine mainly adopts the mode of prefix matching to provide the search candidate word for the user, and particularly, for a certain prefix, search engine mainly according to the temperature of search candidate word, is just retrieved the frequency, and which search candidate word and ordering thereof decides provides.
If but the content that the user need search for has identical prefix with certain focus vocabulary, make the content relevant with focus vocabulary all have higher sequencing weight owing to having higher temperature possibly and come the front, and the content that the user wants to search for can't be listed in the candidate word, though can come the search candidate word is reset by mode such as birds of the same feather flock together based on theme, but being based on the poly-mode of theme class assesses the cost and sends out, and have potential escape risk, thereby be difficult to satisfy the demand of user search.
Summary of the invention
Of the present inventionly be intended to solve at least one of above-mentioned technological deficiency.
For this reason, first purpose of the present invention is to propose a kind of recommend method of searching for candidate word, has improved diversity and the accuracy of search candidate word, can satisfy user's search need, and algorithm is simple, and is easy to implement, promotes the user and experiences.
Second purpose of the present invention is to propose a kind of search engine.
For achieving the above object, the recommend method according to the search candidate word of the embodiment of first aspect present invention may further comprise the steps: search engine server receives the input information of user's input, and obtains the prefix information of described input information; Described prefix information is obtained the weight of a plurality of search candidate word and each search candidate word as index; Judge whether exist at least two search candidate word to belong to same theme in described a plurality of search candidate word; Belong to same theme if judge at least two search of described existence candidate word, the weight that then keeps a search candidate word in described at least two search candidate word is constant, power is fallen in the weight of other search candidate word in described at least two search candidate word handle; And sort according to the weight of described a plurality of search candidate word, the search candidate word after the ordering is provided to described user.
Recommend method according to the search candidate word of the embodiment of the invention, constant by the weight that keeps a search candidate word in the same theme, power is fallen in other search candidate word in the same theme to be handled, and then improve the weight rank of the candidate word of other themes, make the search candidate word that offers the user according to the weight rank can have different themes, diversity and the accuracy of search candidate word have been improved, can satisfy user's search need, and algorithm is simple, easy to implement, promote the user and experience.
For achieving the above object, the search engine according to the embodiment of second aspect present invention comprises: receiver module is used for receiving the input information of user's input, and obtains the prefix information of described input information; The search word determination module is used for that described prefix information is obtained a plurality of search candidate word as index and each searches for the weight of candidate word; Judge module is used for judging whether described a plurality of search candidate word exists at least two search candidate word to belong to same theme; The weight adjusting module, be used for when judging that at least two search of described existence candidate word belongs to same theme, the weight that keeps a search candidate word in described at least two search candidate word is constant, power is fallen in the weight of other search candidate word in described at least two search candidate word handle; Order module is used for sorting according to the weight of described a plurality of search candidate word; And module is provided, the search candidate word after being used for sorting provides to described user.
Search engine according to the embodiment of the invention, constant by the weight of a search candidate word that the weight adjusting module can be in keeping same theme, and being fallen in other search candidate word in the same theme, power handles, and then improve the weight rank of the candidate word of other themes, make the search candidate word that offers the user according to the weight rank can have different themes, diversity and the accuracy of search candidate word have been improved, can satisfy user's search need, and algorithm is simple, easy to implement, promote the user and experience.
The aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or the additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is for searching for the process flow diagram of the recommend method of candidate word according to an embodiment of the invention;
Fig. 2 is for searching for the process flow diagram of the recommend method of candidate word in accordance with another embodiment of the present invention;
Fig. 3 is the structured flowchart of search engine according to an embodiment of the invention;
Fig. 4 is the structured flowchart of search engine in accordance with another embodiment of the present invention;
Fig. 5 is for searching for the synoptic diagram of candidate word display frames according to an embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.On the contrary, embodiments of the invention comprise spirit and interior all changes, modification and the equivalent of intension scope that falls into institute's additional claims.
In description of the invention, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " links to each other ", " connection " should do broad understanding, for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete implication in the present invention.In addition, in description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
Describe and to be understood that in the process flow diagram or in this any process of otherwise describing or method, expression comprises module, fragment or the part of code of the executable instruction of the step that one or more is used to realize specific logical function or process, and the scope of preferred implementation of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by opposite order, carry out function, this should be understood by the embodiments of the invention person of ordinary skill in the field.
Below with reference to the recommend method of accompanying drawing description according to the search candidate word of the embodiment of the invention.
A kind of recommend method of searching for candidate word may further comprise the steps: search engine server receives the input information of user's input, and obtains the prefix information of input information; Prefix information is obtained the weight of a plurality of search candidate word and each search candidate word as index; Judge whether exist at least two search candidate word to belong to same theme in a plurality of search candidate word; If judge to exist at least two search candidate word to belong to same theme, the weight that then keeps a search candidate word at least two search candidate word is constant, power is fallen in the weight of other search candidate word at least two search candidate word handle; And sort according to the weight of a plurality of search candidate word, the search candidate word after the ordering is provided to the user.
Fig. 1 is for searching for the process flow diagram of the recommend method of candidate word according to an embodiment of the invention.
As shown in Figure 1, the recommend method according to the search candidate word of the embodiment of the invention comprises the steps.
S101, search engine server receives the input information of user's input, and obtains the prefix information of input information.
Particularly, when search engine server when receiving the input information of user's input, can be with the input information of user input as prefix information, so as according to the prefix information of user's input provide abundant for the user and with the search candidate word of user's input information coupling.
S102 obtains a plurality of search candidate word with prefix information as index and each searches for the weight of candidate word.
In one embodiment of the invention, search engine obtains a plurality of prefixes search candidate word identical with prefix information with prefix information as index, and obtain the weight of each candidate word, wherein the weight of each candidate word can be by the temperature (being search rate) of this candidate word, and factor such as spelling correctness etc. determines, for example because the hot showing of " Prometheus " may cause the temperature lifting with " Prometheus ", and then promoted the Prometheus " weight; therefore; for prefix information " general ", the candidate word that comprises " Prometheus " will come the front because having higher weight.
In one embodiment of the invention, can the part in a plurality of search candidate word be added among the index slide fastener according to the weight of a plurality of search candidate word correspondences that obtain, in order to further the search candidate word in the index slide fastener is sorted to offer the user.
S103 judges whether exist at least two search candidate word to belong to same theme in a plurality of search candidate word.
Concrete, can at first analyze in a plurality of search candidate word the literal that repeats continuously except the prefix information content part between any two search candidate word or the literal length of character, if the literal length of literal or character is greater than predetermined threshold value, judge then whether two search candidate word greater than predetermined threshold value belong to same theme, as, fruit is not more than predetermined threshold value, then do not belong to same theme, can be set to 6 characters as initial predetermined threshold, just 3 Chinese characters or 6 English alphabets, wherein predetermined threshold value can be by the search engine default setting, and passes through assessment result in the course of the work, method such as machine learning and user feedback is revised.
S104 belongs to same theme if judge at least two search of existence candidate word, and it is constant then to keep at least two weights of searching for a search candidate word in the candidate word, and the power processing is fallen at least two weights of searching for other search candidate word in the candidate word.
If judge not exist at least two search candidate word to belong to same theme, then execution in step S105.
Wherein, penalty coefficient is the numerical value between 0 to 1, thus, can by will at least two weights of other search candidate word in the search candidate word multiply by penalty coefficient reduce need fall power the weight of search candidate word, make the weight rank of search candidate word of other themes to shift to an earlier date, improve the diversity of search candidate word, and penalty coefficient can be adjusted according to assessment result, machine learning or user's online feedback.
For example, for the corresponding a plurality of search candidate word of prefix information " general ", can with about in 4 of " Prometheus " theme search candidate word wherein 3 fall power and handle, the weight rank of being fallen the search candidate word after power is handled may descend, can make the search candidate word of other themes, list names advance as the weight of " Pu'er tea " etc.
S105 sorts according to the weight of a plurality of search candidate word, and the search candidate word after the ordering is provided to the user.
Recommend method according to the search candidate word of the embodiment of the invention, constant by the weight that keeps a search candidate word in the same theme, power is fallen in other search candidate word in the same theme to be handled, and then improve the weight rank of the candidate word of other themes, make the search candidate word that offers the user according to the weight rank can have different themes, diversity and the accuracy of search candidate word have been improved, can satisfy user's search need, and algorithm is simple, easy to implement, promote the user and experience.
Fig. 2 is for searching for the process flow diagram of the recommend method of candidate word in accordance with another embodiment of the present invention.
As shown in Figure 2, the recommend method according to the search candidate word of the embodiment of the invention comprises the steps.
S201, search engine server receives the input information of user's input, and obtains the prefix information of input information.
Particularly, when search engine server when receiving the input information of user's input, can be with the input information of user input as prefix information, so as according to the prefix information of user's input provide abundant for the user and with the search candidate word of user's input information coupling.
S202 obtains a plurality of search candidate word with prefix information as index and each searches for the weight of candidate word.
Particularly, search engine obtains a plurality of prefixes search candidate word identical with prefix information with prefix information as index, and obtain the weight of each candidate word, wherein the weight of each candidate word can be by the temperature (being search rate) of this candidate word, and factor such as spelling correctness etc. determines, for example because the hot showing of " Prometheus " may cause the temperature lifting with " Prometheus ", and then promoted the Prometheus " weight; therefore; for prefix information " general ", the candidate word that comprises " Prometheus " will come the front because having higher weight.
In one embodiment of the invention, can the part in a plurality of search candidate word be added among the index slide fastener according to the weight of a plurality of search candidate word correspondences that obtain, in order to further the search candidate word in the index slide fastener is sorted to offer the user.
S203 judges whether exist at least two search candidate word to belong to same theme in a plurality of search candidate word.
Concrete, can at first analyze in a plurality of search candidate word the literal that repeats continuously except the prefix information content part between any two search candidate word or the literal length of character, if the literal length of literal or character is greater than predetermined threshold value, judge then whether two search candidate word greater than predetermined threshold value belong to same theme, as, fruit is not more than predetermined threshold value, then do not belong to same theme, can be set to 6 characters as initial predetermined threshold, just 3 Chinese characters or 6 English alphabets, wherein predetermined threshold value can be by the search engine default setting, and passes through assessment result in the course of the work, method such as machine learning and user feedback is revised.
S204 belongs to same theme if judge at least two search of existence candidate word, and it is constant then to keep at least two weights of searching for a search candidate word in the candidate word, and the power processing is fallen at least two weights of searching for other search candidate word in the candidate word.
Wherein, penalty coefficient is the numerical value between 0 to 1, thus, can by will at least two weights of other search candidate word in the search candidate word multiply by penalty coefficient reduce need fall power the weight of search candidate word, make the weight rank of search candidate word of other themes to shift to an earlier date, improve the diversity of search candidate word, and penalty coefficient can be adjusted according to assessment result, machine learning or user's online feedback.
For example, for the corresponding a plurality of search candidate word of prefix information " general ", can with about in 4 of " Prometheus " theme search candidate word wherein 3 fall power and handle, the weight rank of being fallen the search candidate word after power is handled may descend, can make the search candidate word of other themes, list names advance as the weight of " Pu'er tea " etc.
S205 sorts according to the weight of a plurality of search candidate word, and the search candidate word after the ordering is provided to the user.
S206 shows that the weight rank is greater than a plurality of search candidate word of predeterminated position in search candidate word display frames.
Particularly, the value of predeterminated position is the number of displayable search candidate word in the search candidate word display frames, weight rank in the search slide fastener can be showed in search candidate word display frames greater than a plurality of search candidate word of predeterminated position, as shown in Figure 5, if predeterminated position is, show the result for a plurality of search candidate word that prefix information " general " is corresponding at 6 o'clock.
S207 provides corresponding selection key at each the search candidate word in the display frames in search candidate word display frames.
For instance, as shown in Figure 5, add a corresponding selection key with it after can each the search candidate word in search candidate word display frames, if the user wishes certain search candidate word is further retrieved, can click this selection key, just the search candidate word of selecting can be added in the search edit box.
S208 when selecting button to be triggered, further carries out the candidate word retrieval with the search candidate word of the selection key correspondence that is triggered as prefix.
Particularly, when the user has triggered selection key, the search candidate word of the selection key correspondence that is triggered will be added in the search edit box, and continue execution in step S202-S207 as prefix information, up to searching the information that the user needs.
Recommend method according to the search candidate word of the embodiment of the invention, by adding selection key for the search candidate word, the search candidate word that the user needs further can be carried out the candidate word quadratic search as prefix, make result for retrieval more can satisfy user's demand, and can add automatically, need not user's input, simple to operate, further promoted user's experience.
In order to realize above-mentioned example, the present invention also proposes a kind of search engine.
A kind of search engine comprises: receiver module is used for receiving the input information of user's input, and obtains the prefix information of input information; The search word determination module is used for that prefix information is obtained a plurality of search candidate word as index and each searches for the weight of candidate word; Judge module is used for judging whether a plurality of search candidate word exist at least two search candidate word to belong to same theme; The weight adjusting module, be used for when judging that at least two search of existence candidate word belong to same theme, the weight that keeps a search candidate word at least two search candidate word is constant, power is fallen in the weight of other search candidate word at least two search candidate word handle; Order module is used for sorting according to the weight of a plurality of search candidate word; And module is provided, the search candidate word after being used for sorting provides to the user.
Fig. 3 is the structured flowchart of search engine according to an embodiment of the invention.
As shown in Figure 3, the search engine according to the embodiment of the invention comprises: receiver module 100, search word determination module 200, judge module 300, weight adjusting module 400, order module 500 and module 600 is provided.
Particularly, receiver module 100 is used for receiving the input information of user's input, and obtains the prefix information of input information.More specifically, when receiver module 100 when receiving the input information of user's input, can be with the input information of user input as prefix information so that search word determination module 200 provides abundant according to the prefix information of user's input for the user and with the search candidate word of user's input information coupling.
Search word determination module 200 is used for prefix information is obtained as index the weight of a plurality of search candidate word and each search candidate word.More specifically, search word determination module 200 obtains a plurality of prefixes search candidate word identical with prefix information with prefix information as index, and obtain the weight of each candidate word, wherein the weight of each candidate word can be by the temperature (being search rate) of this candidate word, and factor such as spelling correctness etc. determines, for example because the hot showing of " Prometheus " may cause the temperature lifting with " Prometheus ", and then promoted the Prometheus " weight; therefore; for prefix information " general ", the candidate word that comprises " Prometheus " will come the front because having higher weight.
Judge module 300 is used for judging whether a plurality of search candidate word exist at least two search candidate word to belong to same theme.More specifically, judge module 300 can at first be analyzed in a plurality of search candidate word the literal that repeats continuously except the prefix information content part between any two search candidate word or the literal length of character, and in the literal length of literal or character during greater than predetermined threshold value, whether judgement belongs to same theme greater than two search candidate word of predetermined threshold value, if be not more than predetermined threshold value, then do not belong to same theme, as, initial predetermined threshold can be set to 6 characters, just 3 Chinese characters or 6 English alphabets, wherein predetermined threshold value can be by the search engine default setting, and passes through assessment result in the course of the work, method such as machine learning and user feedback is revised.
Weight adjusting module 400 is used at least when judging that two search of existence candidate word belong to same theme, the weight that keeps a search candidate word at least two search candidate word is constant, power is fallen in the weight of other search candidate word at least two search candidate word handle.Wherein, penalty coefficient is the numerical value between 0 to 1, thus, weight adjusting module 400 can by will at least two weights of other search candidate word in the search candidate word multiply by penalty coefficient reduce need fall power the weight of search candidate word, make the weight rank of search candidate word of other themes to shift to an earlier date, improve the diversity of search candidate word, and penalty coefficient can be adjusted according to assessment result, machine learning or user's online feedback.
For example, for the corresponding a plurality of search candidate word of prefix information " general ", weight adjusting module 400 can with about in 4 of " Prometheus " theme search candidate word wherein 3 fall power and handle, the weight rank of being fallen the search candidate word after power is handled may descend, can make the search candidate word of other themes, list names advance as the weight of " Pu'er tea " etc.
Order module 500 is used for sorting according to the weight of a plurality of search candidate word.
Provide module 600 to provide to the user for the search candidate word after will sorting.In one embodiment of the invention, provide module 600 part in a plurality of search candidate word to be added among the index slide fastener according to the weight of a plurality of search candidate word correspondences that obtain, and will search for candidate word according to the ranking results of order module 500 according to the weight rank and offer the user.
Search engine according to the embodiment of the invention, constant by the weight of a search candidate word that the weight adjusting module can be in keeping same theme, and being fallen in other search candidate word in the same theme, power handles, and then improve the weight rank of the candidate word of other themes, make the search candidate word that offers the user according to the weight rank can have different themes, diversity and the accuracy of search candidate word have been improved, can satisfy user's search need, and algorithm is simple, easy to implement, promote the user and experience.
Fig. 4 is the structured flowchart of search engine according to an embodiment of the invention.
As shown in Figure 4, the search engine according to the embodiment of the invention also comprises on basis shown in Figure 3: quadratic search module 700.
Particularly, provide module 600 also to be used for showing that in search candidate word display frames the weight rank is greater than a plurality of search candidate word of predeterminated position.More specifically, the value of predeterminated position is the number of displayable search candidate word in the search candidate word display frames, weight rank in the search slide fastener can be showed in search candidate word display frames greater than a plurality of search candidate word of predeterminated position, as shown in Figure 5, if predeterminated position is, show the result for a plurality of search candidate word that prefix information " general " is corresponding at 6 o'clock.
Quadratic search module 700 is used for providing corresponding selection key in search candidate word display frames at each the search candidate word in the display frames, and when selection key is triggered, further carry out the candidate word retrieval with the search candidate word of the selection key correspondence that is triggered as prefix.For instance, as shown in Figure 5, add a corresponding selection key with it after can each the search candidate word in search candidate word display frames, if the user wishes certain search candidate word is further retrieved, can click this selection key, when the user has triggered selection key, the search candidate word of the selection key correspondence that is triggered will be added in the search edit box, and further retrieve as prefix information, up to searching the information that the user needs.
Search engine according to the embodiment of the invention, can be the search candidate word by the quadratic search module and add selection key, the search candidate word that the user needs further can be carried out quadratic search as prefix, make result for retrieval more can satisfy user's demand, and can add automatically, need not user's input, simple to operate, further promoted user's experience.
In the description of this instructions, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to described term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment that scope of the present invention is by claims and be equal to and limit.
Claims (14)
1. a recommend method of searching for candidate word is characterized in that, may further comprise the steps:
Search engine server receives the input information of user's input, and obtains the prefix information of described input information;
Described prefix information is obtained the weight of a plurality of search candidate word and each search candidate word as index;
Judge whether exist at least two search candidate word to belong to same theme in described a plurality of search candidate word;
Belong to same theme if judge at least two search of described existence candidate word, the weight that then keeps a search candidate word in described at least two search candidate word is constant, power is fallen in the weight of other search candidate word in described at least two search candidate word handle; And
Weight according to described a plurality of search candidate word sorts, and the search candidate word after the ordering is provided to described user.
2. the recommend method of search candidate word as claimed in claim 1 is characterized in that, describedly judges whether exist at least two search candidate word to belong to same theme and further comprise in a plurality of search candidate word:
Analyze in described a plurality of search candidate word the literal that repeats continuously between any two search candidate word or the literal length of character; And
If described literal length, is then judged two search candidate word greater than described predetermined threshold value greater than predetermined threshold value and whether is belonged to same theme.
3. the recommend method of search candidate word as claimed in claim 2 is characterized in that, described described prefix information is obtained a plurality of search candidate word as index after, also comprise:
According to the weight of correspondence the part in described a plurality of search candidate word is added among the index slide fastener.
4. as the recommend method of each described search candidate word of claim 1-3, it is characterized in that described weight to other search candidate word at least two search candidate word is fallen the power processing and further comprised:
The weight of other search candidate word in described at least two search candidate word be multiply by penalty coefficient.
5. the recommend method of search candidate word as claimed in claim 4 is characterized in that, also comprises:
According to assessment result, machine learning or user's online feedback described penalty coefficient is adjusted.
6. as the recommend method of each described search candidate word of claim 1-5, it is characterized in that the search candidate word after described will the ordering provides to described user, also comprises:
In search candidate word display frames, show that the weight rank is greater than a plurality of search candidate word of predeterminated position.
7. the recommend method of search candidate word as claimed in claim 6 is characterized in that, also comprises:
In described search candidate word display frames, provide corresponding selection key at each the search candidate word in the described display frames;
When described selection key is triggered, further carry out the candidate word retrieval with the search candidate word of the selection key correspondence that is triggered as prefix.
8. a search engine is characterized in that, comprising:
Receiver module is used for receiving the input information of user's input, and obtains the prefix information of described input information;
The search word determination module is used for that described prefix information is obtained a plurality of search candidate word as index and each searches for the weight of candidate word;
Judge module is used for judging whether described a plurality of search candidate word exists at least two search candidate word to belong to same theme;
The weight adjusting module, be used for when judging that at least two search of described existence candidate word belongs to same theme, the weight that keeps a search candidate word in described at least two search candidate word is constant, power is fallen in the weight of other search candidate word in described at least two search candidate word handle;
Order module is used for sorting according to the weight of described a plurality of search candidate word; And
Module is provided, and the search candidate word after being used for sorting provides to described user.
9. search engine as claimed in claim 8, it is characterized in that, described judge module is analyzed in described a plurality of search candidate word the literal that repeats continuously between any two search candidate word or the literal length of character, when described literal length during greater than predetermined threshold value, judge whether two search candidate word greater than described predetermined threshold value belong to same theme.
10. search engine as claimed in claim 9 is characterized in that, the described module that provides is added to the part in described a plurality of search candidate word among the index slide fastener according to the weight of correspondence.
11. search engine as claimed in claim 8 is characterized in that, described weight adjusting module multiply by penalty coefficient with the weight of other search candidate word in described at least two search candidate word.
12. search engine as claimed in claim 11 is characterized in that, described weight adjusting module also is used for according to assessment result, machine learning or user's online feedback described penalty coefficient being adjusted.
13. search engine as claimed in claim 8 is characterized in that, the described module that provides shows that the weight rank is greater than a plurality of search candidate word of predeterminated position in search candidate word display frames.
14. search engine as claimed in claim 13 is characterized in that, also comprises:
The quadratic search module, be used for providing corresponding selection key in described search candidate word display frames at each the search candidate word in the described display frames, and when described selection key is triggered, further carry out the candidate word retrieval with the search candidate word of the selection key correspondence that is triggered as prefix.
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